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sched: Clean up and harmonize the coding style of the scheduler code base

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A good number of small style inconsistencies have accumulated
in the scheduler core, so do a pass over them to harmonize
all these details:

 - fix speling in comments,

 - use curly braces for multi-line statements,

 - remove unnecessary parentheses from integer literals,

 - capitalize consistently,

 - remove stray newlines,

 - add comments where necessary,

 - remove invalid/unnecessary comments,

 - align structure definitions and other data types vertically,

 - add missing newlines for increased readability,

 - fix vertical tabulation where it's misaligned,

 - harmonize preprocessor conditional block labeling
   and vertical alignment,

 - remove line-breaks where they uglify the code,

 - add newline after local variable definitions,

No change in functionality:

  md5:
     1191fa0a890cfa8132156d2959d7e9e2  built-in.o.before.asm
     1191fa0a890cfa8132156d2959d7e9e2  built-in.o.after.asm

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2018-03-03 14:01:12 +01:00
parent c2e513821d
commit 97fb7a0a89
28 changed files with 698 additions and 702 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
kernel/sched/cputime.c
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@@ -113,9 +113,9 @@ static inline void task_group_account_field(struct task_struct *p, int index,
}
/*
* Account user cpu time to a process.
* @p: the process that the cpu time gets accounted to
* @cputime: the cpu time spent in user space since the last update
* Account user CPU time to a process.
* @p: the process that the CPU time gets accounted to
* @cputime: the CPU time spent in user space since the last update
*/
void account_user_time(struct task_struct *p, u64 cputime)
{
@@ -135,9 +135,9 @@ void account_user_time(struct task_struct *p, u64 cputime)
}
/*
* Account guest cpu time to a process.
* @p: the process that the cpu time gets accounted to
* @cputime: the cpu time spent in virtual machine since the last update
* Account guest CPU time to a process.
* @p: the process that the CPU time gets accounted to
* @cputime: the CPU time spent in virtual machine since the last update
*/
void account_guest_time(struct task_struct *p, u64 cputime)
{
@@ -159,9 +159,9 @@ void account_guest_time(struct task_struct *p, u64 cputime)
}
/*
* Account system cpu time to a process and desired cpustat field
* @p: the process that the cpu time gets accounted to
* @cputime: the cpu time spent in kernel space since the last update
* Account system CPU time to a process and desired cpustat field
* @p: the process that the CPU time gets accounted to
* @cputime: the CPU time spent in kernel space since the last update
* @index: pointer to cpustat field that has to be updated
*/
void account_system_index_time(struct task_struct *p,
@@ -179,10 +179,10 @@ void account_system_index_time(struct task_struct *p,
}
/*
* Account system cpu time to a process.
* @p: the process that the cpu time gets accounted to
* Account system CPU time to a process.
* @p: the process that the CPU time gets accounted to
* @hardirq_offset: the offset to subtract from hardirq_count()
* @cputime: the cpu time spent in kernel space since the last update
* @cputime: the CPU time spent in kernel space since the last update
*/
void account_system_time(struct task_struct *p, int hardirq_offset, u64 cputime)
{
@@ -205,7 +205,7 @@ void account_system_time(struct task_struct *p, int hardirq_offset, u64 cputime)
/*
* Account for involuntary wait time.
* @cputime: the cpu time spent in involuntary wait
* @cputime: the CPU time spent in involuntary wait
*/
void account_steal_time(u64 cputime)
{
@@ -216,7 +216,7 @@ void account_steal_time(u64 cputime)
/*
* Account for idle time.
* @cputime: the cpu time spent in idle wait
* @cputime: the CPU time spent in idle wait
*/
void account_idle_time(u64 cputime)
{
@@ -338,7 +338,7 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
/*
* Account a tick to a process and cpustat
* @p: the process that the cpu time gets accounted to
* @p: the process that the CPU time gets accounted to
* @user_tick: is the tick from userspace
* @rq: the pointer to rq
*
@@ -400,17 +400,16 @@ static void irqtime_account_idle_ticks(int ticks)
irqtime_account_process_tick(current, 0, rq, ticks);
}
#else /* CONFIG_IRQ_TIME_ACCOUNTING */
static inline void irqtime_account_idle_ticks(int ticks) {}
static inline void irqtime_account_idle_ticks(int ticks) { }
static inline void irqtime_account_process_tick(struct task_struct *p, int user_tick,
struct rq *rq, int nr_ticks) {}
struct rq *rq, int nr_ticks) { }
#endif /* CONFIG_IRQ_TIME_ACCOUNTING */
/*
* Use precise platform statistics if available:
*/
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
#ifndef __ARCH_HAS_VTIME_TASK_SWITCH
# ifndef __ARCH_HAS_VTIME_TASK_SWITCH
void vtime_common_task_switch(struct task_struct *prev)
{
if (is_idle_task(prev))
@@ -421,8 +420,7 @@ void vtime_common_task_switch(struct task_struct *prev)
vtime_flush(prev);
arch_vtime_task_switch(prev);
}
#endif
# endif
#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
@@ -469,10 +467,12 @@ void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st)
*ut = cputime.utime;
*st = cputime.stime;
}
#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE: */
/*
* Account a single tick of cpu time.
* @p: the process that the cpu time gets accounted to
* Account a single tick of CPU time.
* @p: the process that the CPU time gets accounted to
* @user_tick: indicates if the tick is a user or a system tick
*/
void account_process_tick(struct task_struct *p, int user_tick)